Security Platform Administrator
Arlington, TX - USA
Job Summary
Position Overview
The Security Platform Administrator maintains the health availability security and supportability of operating systems security platforms sensors enclaves and related software. The role performs patching hardening monitoring backup and recovery troubleshooting maintenance configuration management and administrative automation while keeping platform documentation and lifecycle information current.
Duties & Responsibilities
- Implement configure operate and maintain operating systems and related software supporting security tools sensors platforms enclaves applications and data services.
- Apply platform and software updates security patches hardening requirements and approved configuration baselines.
- Monitor system resources capacity performance availability service health and supporting dependencies.
- Troubleshoot system issues outages integration failures data-flow problems and degraded platform performance.
- Design implement schedule perform monitor and test backup and recovery processes for supported platforms and data.
- Plan and execute maintenance activities while preserving service continuity and coordinating required operational handoffs.
- Automate routine monitoring troubleshooting deployment configuration patching maintenance and reporting activities.
- Maintain asset software license certificate credential maintenance support and inventory information for assigned platforms.
- Support change implementation testing deployment rollback and post-change verification using established change-management processes.
- Maintain configuration notes troubleshooting procedures maintenance documentation deployment records and operational handoff materials.
- Lead or review the work of junior administrators and coordinate closely with engineers analysts service owners and customer support teams.
Qualifications
Minimum Requirements:
- Seven or more years of system platform infrastructure or security-tool administration experience.
- Experience maintaining Linux or Windows environments that support enterprise security capabilities.
- Experience with patching hardening resource monitoring troubleshooting backup recovery and configuration management.
- Experience automating administrative or maintenance tasks using Bash PowerShell Python Ansible or comparable tools.
- Ability to participate in planned after-hours maintenance and on-call support.
Preferred Qualifications:
- Five or more years administering platforms that host or support SIEM EDR NDR security analytics case management or network sensors.
- Experience with Red Hat Enterprise Linux Windows Server Splunk virtualization AWS Azure or container platforms.
- Experience with security baselines vulnerability remediation cryptographic modules PKI certificate management and regulated environments.
- Security RHCSA Microsoft Splunk Enterprise Certified Administrator GCED Linux or comparable role-aligned certifications preferred.
- Experience operating highly available platforms with formal maintenance change backup and recovery requirements.
What Success Looks Like
- Supported platforms remain secure stable observable recoverable and current throughout their operational lifecycle.
- Patches maintenance activities and changes are planned tested documented and executed with minimal disruption.
- Outages and degraded conditions are identified quickly communicated clearly and restored through disciplined troubleshooting.
- Platform documentation asset information backups and operational handoffs remain current and usable.
Education and Certifications:
- Minimum: Bachelors degree in cybersecurity computer science information systems engineering or a related field; additional relevant experience may be considered in lieu of a degree.
- Clearance Level:
- Secret clearance preferred but not required.
Work Location
- Hybrid federal customer environment with onsite presence required for selected maintenance troubleshooting integration and recovery activities.
Hours of Operation
- Assigned 24x7 SOC shift which may include days nights weekends and holidays. Participation in on-call and non-regular-duty coverage may be required.
- Ability to pass a minimum background investigation.
Required Experience:
Unclear Seniority